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166 results for “Physiology”
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Research ArticleOpen accessIn the abstractLife Long Learning: Seniors in Second Life ContinuumC. D. Seals, W. Moses, J. Nyagwencha et al.Senior citizens represented the fastest growing demographic worldwide. As indicated in the Year 2000 US Census, there were 35 million people 65 or older in the US and by 2030, it was estimated that there were about 70 million older adults in the US alone. With the older population growing rapidly and being increasingly exposed to computers and technology, it … …Journal of Computer Science, Vol. 4, Issue 12 · 31 Dec 2008 · 7,110 accessesView PDFCite
Research ArticleOpen accessIn the abstractMicrobial Biodiversity Screening for Metal Accumulators from Mineral Ore Rich Site in Andhra Pradesh, IndiaAditya Kumar Sarkar, Susmita Roy, Ananya Pal et al.Problem statement: Since the site selected for screening was a source of magnetite, the objective of this study was to isolate some groups of magnetotactic bacteria and microbes with potential of metal accumulation. Approach: The culture based approach was used for the study. Pure isolates obtained were characterized on the basis of morphology, biochemical tests, physiology as well as at … …OnLine Journal of Biological Sciences, Vol. 8, Issue 2 · 30 Jun 2008 · 7,546 accessesView PDFCite
Research ArticleOpen accessIn the abstractWhat is Xenohormesis?Joseph A. Baur, David A. SinclairPolyphenols such as resveratrol and quercetin, which are produced by stressed plants, activate sirtuin enzymes and extend the lifespan of fungi and animals, ostensibly by mimicking the beneficial effects of caloric restriction. This observation raises an interesting question: Why should foreign molecules that are non-nutritive and seemingly unrelated to any endogenous molecule modulate the same biochemical pathways that mediate the … …American Journal of Pharmacology and Toxicology, Vol. 3, Issue 1 · 31 Mar 2008 · 10,386 accessesView PDFCite
Research ArticleOpen accessIn the abstractMorpho-physiological Differences of the Spermatheca of Attini Ants (Hymenoptera: Myrmicinae)Gabriela Ortiz, Maria Izabel Camargo-MathiasThe insect's spermatheca store the spermatozoa from the time of copulation until the fertilization of the eggs and consists of a sac, usually associated to glands. The ant species Atta laevigata, Atta sexdens sexdens, Atta sexdens piriventris, Acromyrmex coronatus and Cyphomyrmex muelleri are considered pests, as they cause economics losses to several crops. The spermatheca of these species were examined … …American Journal of Agricultural and Biological Sciences, Vol. 1, Issue 4 · 31 Dec 2006 · 7,583 accessesView PDFCite